Answer:
x = 1
Step-by-step explanation:
Line of symmetry: x = h,
Where h is the x-coordinate of the vertex
For this case we have that the quotient of 6 and a number, can be expressed as:

Where the variable "x" represents the incognito number.
Now we have that expression is subtracted from 100. Now, we can write the following:

ANswer:
Option A
your final answer should be.... -3 • (61c - 70)
Do you guys do common core becase there would be two type's of a surface area!